Home / 189,708.28-261,797.34-104,824.60

Finding the Fourth Proportional to 189,708.28, 261,797.34 and 104,824.60

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Solution

The fourth proportional to 189,708.28, 261,797.34 and 104,824.60 is: 144,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,708.28 : 261,797.34 = 104,824.60 : x
  2. Step 2: Convert to fraction form
    189,708.28/261,797.34 = 104,824.60/x
  3. Step 3: Cross multiply
    189,708.28x = 261,797.34 × 104,824.60
  4. Step 4: Simplify right side
    189,708.28x = 27,442,801,446.56
  5. Step 5: Solve for x
    x = 27,442,801,446.56/189,708.28
  6. Step 6: Final answer
    x = 144,657.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.